Enstrophy and ETE budgets in the Stratosphere for the 2003 and 2021 SSW and an idealised simulation. Data to: Rupp, P., Hitchcock, P., & Birner, T. (2025). Coupled planetary wave dynamics in the polar stratosphere analyzed with potential enstrophy and eddy energy budgets. Journal of the Atmospheric Sciences. https://doi.org/10.1175/JAS-D-24-0249.1